Quote:
Originally Posted by twobjshelbys
Yes, just connect the + to the + of one battery and the - to the - of the other. After hearing horror stories of people jumping across one of the batteries I've considered covering the two inside terminals so that they can't be touched.
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No, no, no. That is a parallel connection. For two 6V batteries, you have to connect + (on battery 1) to - (on battery 2) then connect the charger to the - (on battery 1) and the + (on battery 2).
That is, if you are charging them with a 12V charger.
You do not want to charge a single 6V battery with a 12V charger.
Also note, a fully charged automotive battery contains 2.5V per cell. If you measure the voltage on a fully charged battery not connected to the electrical system, it should measure 15V.